Tern Vektron D8 Folding Electric Bike

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The Tern Vektron D8 folding electric bike delivers performance and versatility all in one. With hydraulic disc brakes, fenders and a rack, you'll be crushing your commute come rain, snow or shine.

  • Features

    • Bafang M400 Drive System offers 250 watts of responsive and dependable power
    • Maximum torque of 80 Nm provides fast acceleration
    • Resizes in seconds to fit riders from 5 ft. 3 in. to 6 ft. 5 in. in height (160-195cm)
    • 400 watt-hour battery offers a range of up to 56 mi. (90km)
    • Hydraulic disc brakes are good for all-weather stopping power
    • Tern Valo Direct light, with 150 lumens of power, improves your visibility in low light
    • Shimano Claris rear derailleur provides quick and responsive gear shifting
    • Specs and images are subject to change

    Imported.

    Free Adjustment Period:
    New bikes go through a normal break-in period, after which they should be readjusted. All bicycles sold at REI include free adjustments for one year after purchase date—as many times as you need. Included: derailleur and brake adjustments, lateral wheel truing, hub and headset bearing adjustments, tire inflation and chain lubrication. Not included: replacement or installation of new components or accessories, any other services. Call your local REI Co-op Bike Shop for more information.
    View the Tern Vektron Product Line View all Tern Electric Folding Bikes
  • Technical Specs

    Best Use

    Urban Cycling

    E-Bike Classification

    Class 1: pedal assist up to 20 mph

    Motor

    Bafang M400 Drive System, 36 V/250 W

    Motor Type

    Mid-Drive

    Motor Torque (Nm)

    80 Newton meters

    Battery Type

    Lithium Ion

    Battery Capacity (Wh)

    400 watt hours

    Battery Removable

    Yes

    Charge Time (hrs)

    5 hours

    Pedal Assist Range

    25-56 miles

    Bike Frame Material

    Aluminum

    Frame

    Tern Vektron, hydroformed aluminum, OCL+ joint, 3 patented technologies

    Step-Through

    No

    Bike Suspension

    No Suspension

    Fork

    Integrated, high-tensile steel

    Crankset

    Vektron custom, forged AL6061 crankarm

    Bottom Bracket

    Motor Integrated

    Shifters

    Shimano, 1 x 8-speed, trigger

    Rear Derailleur

    Shimano Claris

    Rear Cogs

    Shimano 11-32T, 8-speed

    Number of Gears

    8 gear(s)

    Brake Type

    Hydraulic Disc Brake

    Brakes

    Shimano hydraulic disc

    Brake Levers

    Shimano hydraulic disc

    Rims

    Kinetix Comp for disc

    Front Hub

    Shimano disc

    Rear Hub

    Shimano disc

    Wheel Size

    20 inches

    Tires

    Schwalbe Big Apple, Active Line, 50-406, puncture protection, Reflex

    Tire Width

    50 millimeters

    Handlebar Shape

    Flat Bar

    Handlebar

    Flat bar, 6061-Al, Tern Andros adapted

    Stem

    Tern Andros (G2), adjustable, forged construction, patented technology

    Seat Post

    SuperOversize, 6061-Al, micro-adjust clamp

    Saddle

    Tern Porter, patented GripPad design

    Pedals

    Folding, alloy body

    Headset

    Tern Flux, cartridge bearings, Physis integrated

    Chain

    8-speed, DHT for e-bike, GST corrosion-resistant coating

    Weight

    49 lbs. 9.6 oz.

    Bike Weight

    Bike weight is based on median size, as sold, or the average of two median sizes.

    Gender

    Unisex

    Sustainability

    Contains recycled materials

  • Reviews
    7 reviews with an average rating of 4.9 out of 5 stars

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